28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
115 lines
3.6 KiB
C++
115 lines
3.6 KiB
C++
/*
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* libjingle
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* Copyright 2004--2005, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "talk/p2p/client/socketmonitor.h"
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#include "talk/base/common.h"
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namespace cricket {
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enum {
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MSG_MONITOR_POLL,
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MSG_MONITOR_START,
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MSG_MONITOR_STOP,
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MSG_MONITOR_SIGNAL
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};
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SocketMonitor::SocketMonitor(TransportChannel* channel,
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talk_base::Thread* worker_thread,
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talk_base::Thread* monitor_thread) {
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channel_ = channel;
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channel_thread_ = worker_thread;
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monitoring_thread_ = monitor_thread;
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monitoring_ = false;
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}
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SocketMonitor::~SocketMonitor() {
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channel_thread_->Clear(this);
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monitoring_thread_->Clear(this);
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}
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void SocketMonitor::Start(int milliseconds) {
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rate_ = milliseconds;
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if (rate_ < 250)
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rate_ = 250;
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channel_thread_->Post(this, MSG_MONITOR_START);
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}
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void SocketMonitor::Stop() {
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channel_thread_->Post(this, MSG_MONITOR_STOP);
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}
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void SocketMonitor::OnMessage(talk_base::Message *message) {
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talk_base::CritScope cs(&crit_);
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switch (message->message_id) {
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case MSG_MONITOR_START:
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ASSERT(talk_base::Thread::Current() == channel_thread_);
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if (!monitoring_) {
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monitoring_ = true;
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PollSocket(true);
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}
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break;
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case MSG_MONITOR_STOP:
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ASSERT(talk_base::Thread::Current() == channel_thread_);
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if (monitoring_) {
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monitoring_ = false;
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channel_thread_->Clear(this);
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}
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break;
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case MSG_MONITOR_POLL:
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ASSERT(talk_base::Thread::Current() == channel_thread_);
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PollSocket(true);
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break;
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case MSG_MONITOR_SIGNAL: {
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ASSERT(talk_base::Thread::Current() == monitoring_thread_);
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std::vector<ConnectionInfo> infos = connection_infos_;
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crit_.Leave();
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SignalUpdate(this, infos);
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crit_.Enter();
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break;
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}
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}
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}
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void SocketMonitor::PollSocket(bool poll) {
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ASSERT(talk_base::Thread::Current() == channel_thread_);
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talk_base::CritScope cs(&crit_);
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// Gather connection infos
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channel_->GetStats(&connection_infos_);
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// Signal the monitoring thread, start another poll timer
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monitoring_thread_->Post(this, MSG_MONITOR_SIGNAL);
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if (poll)
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channel_thread_->PostDelayed(rate_, this, MSG_MONITOR_POLL);
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}
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} // namespace cricket
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